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NM-HUMI700 Standard Ventilation Hygrometer
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Product Description
Product Overview
The NM-HUMI700 standard ventilated dry and wet bulb thermometer is designed based on the principles of ventilated dry and wet bulb thermometers. It consists of two temperature sensors, one for measuring dry bulb temperature and the other for measuring wet bulb temperature. The wet bulb temperature sensor is wrapped with gauze soaked in water. The evaporation rate of the wet bulb surface of the humidity temperature sensor depends on the relative humidity of the atmosphere, and the heat required for this evaporation causes the wet bulb temperature to drop. By integrating factors such as dry bulb temperature, wet bulb temperature, and the atmospheric pressure at the time, the relative humidity value is calculated using the humidity formula. A motor-driven fan ventilates the surfaces of the dry and wet temperature sensors, maintaining a generally constant wind speed on the sensor surfaces, making humidity measurements more stable and accurate.
Technical Parameters
| Model |
NM-HUMI700 |
| Temperature Range |
0℃~ 100℃ |
| Humidity Range |
10%RH~99%RH |
| Temperature Resolution |
0.01℃ |
| Humidity Resolution |
0.01%RH |
| Temperature Accuracy |
≤ ±0.08℃ |
| Humidity Accuracy |
10%RH~70%RH: ±1.0%RH; Greater than 70%RH: ±1.7%RH (20℃) |
| Temperature Sensor |
Precision Platinum Resistance |
| Display |
LCD Display |
| Accuracy Level |
Level II Humidity Standard |
| Communication Interface |
RS232 Interface (Optional) |
| Applicable Standards |
"Verification Regulations for Mechanical Thermometers and Hygrometers" (JJG205-2005) "Verification Regulations for Electric Ventilated Dry and Wet Bulb Thermometers" (JJG993-2018) |
- 产品描述
-
- Commodity name: NM-HUMI700 Standard Ventilation Hygrometer
The NM-HUMI700 standard ventilation dry and wet bulb thermometer is designed based on the principles of ventilation dry and wet bulb thermometers. It consists of two temperature sensors, one used for measuring dry bulb temperature and the other for measuring wet bulb temperature.
Product Overview
The NM-HUMI700 standard ventilated dry and wet bulb thermometer is designed based on the principles of ventilated dry and wet bulb thermometers. It consists of two temperature sensors, one for measuring dry bulb temperature and the other for measuring wet bulb temperature. The wet bulb temperature sensor is wrapped with gauze soaked in water. The evaporation rate of the wet bulb surface of the humidity temperature sensor depends on the relative humidity of the atmosphere, and the heat required for this evaporation causes the wet bulb temperature to drop. By integrating factors such as dry bulb temperature, wet bulb temperature, and the atmospheric pressure at the time, the relative humidity value is calculated using the humidity formula. A motor-driven fan ventilates the surfaces of the dry and wet temperature sensors, maintaining a generally constant wind speed on the sensor surfaces, making humidity measurements more stable and accurate.
Technical Parameters
Model
NM-HUMI700
Temperature Range
0℃~ 100℃
Humidity Range
10%RH~99%RH
Temperature Resolution
0.01℃
Humidity Resolution
0.01%RH
Temperature Accuracy
≤ ±0.08℃
Humidity Accuracy
10%RH~70%RH: ±1.0%RH; Greater than 70%RH: ±1.7%RH (20℃)
Temperature Sensor
Precision Platinum Resistance
Display
LCD Display
Accuracy Level
Level II Humidity Standard
Communication Interface
RS232 Interface (Optional)
Applicable Standards
"Verification Regulations for Mechanical Thermometers and Hygrometers" (JJG205-2005) "Verification Regulations for Electric Ventilated Dry and Wet Bulb Thermometers" (JJG993-2018)
Production Equipment
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No.5, Wuma Street, Shanggao Street, Taishan District, Tai'an City, Shandong Province
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